I've been looking for an absolute orientation IMU (usually 9 axis, with accelerometer, gyroscope, and magnetometer) that can measure high g-loads in one direction (max ~20 g). However, the highest rating I can find is around 16g. I am aware that there are accelerometers with higher capabilities, but not of one within a single-chip IMU.

However - since the accelerations only appear significantly in one direction, I was thinking it I could rotate the chip by 45 degrees, so that the acceleration is "partially taken on" by two axes, giving me 16 * sqrt(2) ~= 22.5g (sufficient for my application).

Would this work in practice?

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    \$\begingroup\$ I think you can even make it take the load in three axis. \$\endgroup\$ – Jeroen3 Nov 25 '19 at 7:27
  • \$\begingroup\$ 20g is not much... Have you looked at digikey? I just did a 2000g design last week. \$\endgroup\$ – MadHatter Nov 25 '19 at 16:37
  • \$\begingroup\$ @MadHatter I am aware of accelerometers with extremely high gs, but none that are already coupled with gyroscopes within a single-chip IMU \$\endgroup\$ – 10762409 says Reinstate Monica Nov 25 '19 at 19:06
  • \$\begingroup\$ @Jeroen3 I could - but 2 axes would be enough and in terms of mounting, I would need to put the PCB on a slant for 3 axes whereas I just need to rotate the chip for 2 axes. \$\endgroup\$ – 10762409 says Reinstate Monica Nov 25 '19 at 19:07

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